In survival analysis, frailty models are potential choices for modeling unexplained heterogeneity in a population. This tutorial presents an overview and general framework of frailty modeling and estimation for multiplicative hazards models in the context of biomedical and genetic studies. Other topics in frailty models, such as diagnostic methods for model adequacy and inference in frailty mod...

Design, setting, participants, & measurements CHS enrolled community-dwelling adults age$65 years between 1989–1990 and 1992–1993. To examine prevalent frailty, included were 4150 participants without stroke, Parkinson disease, prescribed medications for Alzheimer disease or depression, or severely impaired cognition. To examine incident frailty, included were a subset of 3459 participants with...

Frailty is a geriatric syndrome of impaired resistance to stressors due to a decline in physiologic reserve. Frailty and cardiovascular disease (CVD) share a common biological pathway, and CVD may accelerate the development of frailty. Frailty is identified in 25% to 50% of patients with CVD, depending on the frailty scale used and the population studied. Frail patients with CVD, especially tho...

Due to the aging and increasingly complex nature of our patients, frailty has become a high-priority theme in cardiovascular medicine. Despite the recognition of frailty as a pivotal element in the evaluation of older adults with cardiovascular disease (CVD), there has yet to be a road map to facilitate its adoption in routine clinical practice. Thus, we sought to synthesize the existing body o...

OBJECTIVES The main aim was to investigate the complex inter-relationship between frailty and pain, and the mediating roles of cognitive function, morbidity and mood in this nexus. DESIGN A cross-sectional analysis. SETTING A prospective community-dwelling population-based cohort. PARTICIPANTS 1682 adults age ≥50 years without evident cognitive or functional impairment, or history of canc...

Background Frailty associated with aging increases the risk of falls, disability, and death. We investigated gender-associated factors for frailty. Methods Data of 3,079 geriatric subjects were retrieved from the National Health and Nutrition Examination Survey (NHANES) 2007-2010 database. After excluding 1,126 subjects with missing data on frailty, medical history and survival, data of 1,953...

BACKGROUND Frailty is an important risk factor for adverse outcomes in older people. Substantial variation in frailty prevalence between socioeconomic groups exists, but longitudinal evidence for the association between socioeconomic position (SEP) and frailty is scarce. OBJECTIVE To investigate the course of socioeconomic inequalities in frailty among older adults during 10 years of follow-u...

OBJECTIVES To identify the prevalence of frailty among inpatient older adults in a clinical hospital and check the association of the socioeconomic and clinical characteristics with the state of frailty. METHOD Observational, cross-sectional and analytical study, conducted with 255 hospitalized patients. Materials used: structured instrument for the economical and clinical data and frailty ph...

Frailty is a common and central problem of old age. Recent research has defined frailty as an accumulation of deficits or as a distinct clinical syndrome involving specific comorbid physical disorders and functional impairment, but the psychological aspects of frailty have received little attention. It is proposed that the onset of frailty is associated with an identity crisis, a psychological ...

BACKGROUND Understanding and addressing the needs of frail persons is an emerging health priority for Nova Scotia and internationally. Primary healthcare (PHC) providers regularly encounter frail persons in their daily clinical work. However, routine identification and measurement of frailty is not standard practice and, in general, there is a lack of awareness about how to identify and respond...